[logback-user] Redirecting logback logs to log4j

[Ceki Gulcu]

Hello Johan,

Could you please read the slf4j manual [1] and the page on Bridging
legacy APIs [2]. Those pages contain the explanation you are
seeking. However, if you are still confused about how to proceed,
please contact this list once again.

[1] http://www.slf4j.org/manual.html
[2] http://www.slf4j.org/legacy.html

Johan Bos wrote:
> Hi,
> 
>  
> 
> I designed component, packaged in jars, using slf4j and logback, this 
> library is then packaged with a third party application using log4j.
> 
> I presumed that slf4j and logback could be used to change your log 
> system depending on the loaded libraries of your classpath.
> 
> Here my configuration:
> 
> my_library.jar using only slf4j and at some point logback dependencies
> 
> included with it:
> 
> 
> slf4j-to-log4j.jar
> slf4j.jar
> log4j.jar à already present in the war.
> logback-*.jar
> 
> All these libraries are installed into a third part webapp application 
> (client_app.war), directly under the WEB-INF/lib directory of this 
> application.
> 
> This application has a log4j.properties, in the classes directory, 
> changes are made to create a log4j logger.
> 
> At my understanding, my library’s log events should be redirecting from 
> slf4j/logback to log4j, using the log4j.properties, and so be written in 
> the “client_app..log” configured?
> 
> Am I wrong?
> 
> Do I still need a logback.xml to be located under the classes of this 
> webapps as well?
> 
> Regards,
> 
> Johan Bos**
> 
> 
-- 
Ceki Gülcü
Logback: The reliable, generic, fast and flexible logging framework for Java.
http://logback.qos.ch